In general, how are the measures of central tendency and variability used to analyze a data distribution

Central tendencies and variability are generally used to represent or describe/summarize a large data set into a single data

Step-by-step explanation:

Central tendency is the measurement used to determine the probability of a set of  variables/dataset to cluster around their mean, mode, and median values.

Central tendencies and variability are generally used to represent or describe/summarize a large random data set into a single data. examples of variabilities are : variance, range and standard deviation.

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8

answer is (b.

164 ft2)

a base  

18

b base  

7

h height  

8